Finding the Fourth Proportional to 8,421,629.94, 12,632,327.55 and 2,031,828.66
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Solution
The fourth proportional to 8,421,629.94, 12,632,327.55 and 2,031,828.66 is: 3,047,714.68
Step by Step Solution
- Step 1: Write the proportion equation
8,421,629.94 : 12,632,327.55 = 2,031,828.66 : x - Step 2: Convert to fraction form
8,421,629.94/12,632,327.55 = 2,031,828.66/x - Step 3: Cross multiply
8,421,629.94x = 12,632,327.55 × 2,031,828.66 - Step 4: Simplify right side
8,421,629.94x = 25,666,725,158,597.58 - Step 5: Solve for x
x = 25,666,725,158,597.58/8,421,629.94 - Step 6: Final answer
x = 3,047,714.68
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.